Solano County, California — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Solano County, CA?
In Solano County, California, public U.S. EPA records track 5,322 regulated facilities (#21 of 136 in California), including 20 (0.4%) High-Risk sites and $6,682,037 in federal penalties. Countywide due diligence also covers 79 Safe Drinking Water (SDWIS) facilities, 253 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Solano County, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Solano County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Solano County
ZIP Codes in Solano County
Top EPA Regulated Facilities in Solano County, CA
100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Risk Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • SUISUN CITY, CA (ZIP 94585 Sector) | HIGH (93/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BENICIA, CA (ZIP 94510 Sector) | HIGH (90/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • BENICIA, CA (ZIP 94510 Sector) | HIGH (88/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • FAIRFIELD, CA (ZIP 94534 Sector) | HIGH (67/100) | Significant Violation (9 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • FAIRFIELD, CA (ZIP 94533 Sector) | HIGH (66/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • FAIRFIELD, CA (ZIP 94533 Sector) | HIGH (65/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SUISUN CITY, CA (ZIP 94585 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • FAIRFIELD, CA (ZIP 94534 Sector) | MODERATE (60/100) | Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| CARDINAL CT COMPANY FREE PREVIEW (LOW RISK) | 1320 BUSINESS PARK DR, DIXON, CA 95620 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| WALMART SUPERCENTER #3708 FREE PREVIEW (LOW RISK) | 350 WALTERS RD, SUISUN CITY, CA 94585 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| TRUCK-A-WAY FREE PREVIEW (LOW RISK) | 7297 CHEVRON WAY, DIXON, CA 95620 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 7 ELEVEN INC #38010 FREE PREVIEW (LOW RISK) | 1405 ARY LN, DIXON, CA 95620 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Solano County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in Solano County, California?
Public U.S. EPA records track 5,322 regulated facilities in Solano County, California (ranking #21 of 136 jurisdictions in CA). Of those, 20 (0.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 24 (0.5%) have active non-compliance quarters.
Which ZIP codes and cities in Solano County have the highest regulated facility density?
Within Solano County, the highest concentrations of EPA-tracked facilities are located in ZIP 94533 (Fairfield, 1,028 sites), ZIP 94510 (Benicia, 679 sites), ZIP 95688 (Vacaville, 621 sites), spanning municipal corridors including Fairfield (1,477 sites), Vacaville (1,125 sites), Benicia (681 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Solano County?
Across Solano County, 5,169 facilities (97.1% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).
What is the EPA Radon Zone classification for Solano County, CA?
Geologic indoor air screening places Solano County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Solano County, CA?
Federal records track 79 Safe Drinking Water (SDWIS) facilities, 253 Clean Water Act NPDES permits, and 53 impaired water dischargers in Solano County, alongside 3 historical FEMA federal disaster declarations (3 flood/storm events).
Does Solano County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Solano County indicates a HIGH shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.